CN109400195A - A kind of Wear-resistant corrosion-resistant braiding ceramic composite and forming method, braiding ceramic - Google Patents

A kind of Wear-resistant corrosion-resistant braiding ceramic composite and forming method, braiding ceramic Download PDF

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CN109400195A
CN109400195A CN201811360471.8A CN201811360471A CN109400195A CN 109400195 A CN109400195 A CN 109400195A CN 201811360471 A CN201811360471 A CN 201811360471A CN 109400195 A CN109400195 A CN 109400195A
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ceramic composite
resistant
braiding
wear
particle
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林建华
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MYINGFA CERAMIC Co Ltd DEHUA FUJIAN
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MYINGFA CERAMIC Co Ltd DEHUA FUJIAN
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Abstract

The invention belongs to ceramic composite technical fields, and in particular to a kind of Wear-resistant corrosion-resistant braiding ceramic composite and forming method, braiding ceramic.The braiding ceramic composite includes fiber preform skeleton and is coated on the ceramic composite on the fiber preform skeleton by binder, wherein fiber preform skeleton being combined by two or more in carbon fiber, basalt fibre, quartz fibre, silicon carbide fibre significantly enhances intensity, heat-resisting quantity, corrosion resistance and the wearability of braiding ceramic composite；The ceramic composite bonded on fiber preform includes alumina particle, silica dioxide granule, granules of stannic oxide, molybdenum trioxide particles, silicon-carbide particle, hafnium nitride particle, zirconium silicate particles and silicone rubber particles.Braiding ceramic composite of the invention has excellent wear-resisting, corrosion resistance, and preparation forming process is relatively simple, short time limit, can large-scale promotion and industrialization.

Description

A kind of Wear-resistant corrosion-resistant braiding ceramic composite and forming method, braiding ceramics Product
Technical field
The invention belongs to ceramic composite technical fields, and in particular to a kind of Wear-resistant corrosion-resistant braiding ceramic composite And forming method, braiding ceramic.
Background technique
Fiber reinforced ceramic composite refers to that by reinforcement, ceramics of fiber be material that matrix is combined.Gao Xing The introducing of energy fiber can toughening and reinforcing be ceramic, prevent crackle, ceramic mechanical property are improved, so that being formed by Ceramic Composite Material has the excellent properties such as high temperature resistant, high intensity, high-modulus.However, existing fibrous ceramic composite selects fiber list One, cause the wearability of composite material and corrosion resistance general.
Summary of the invention
Based on the above prior art, the purpose of the present invention is to provide Wear-resistant corrosion-resistant braiding ceramic composite and moldings Method, braiding ceramic, fiber preform skeleton make to weave ceramic composite by binder coating ceramic composite material With excellent wear-corrosion resistance.
In order to achieve the goal above, the technical solution adopted by the present invention are as follows: a kind of Wear-resistant corrosion-resistant braiding Ceramic Composite material Material, including fiber preform skeleton and the ceramic composite by binder cladding on it；The ceramic composite packet Include alumina particle, silica dioxide granule, granules of stannic oxide, molybdenum trioxide particles, silicon-carbide particle, hafnium nitride particle, silicic acid Zirconium particle and silicone rubber particles.
Further, the fiber preform skeleton is carbon fiber, in basalt fibre, quartz fibre, silicon carbide fibre Two or more compound.
Further, the component of the binder includes crosslinking agent, stabilizer and dispersing agent flux, crosslinking agent, stabilizer Mass ratio with dispersing agent is (5 ~ 10): (5 ~ 10): (1 ~ 2).
Further, the crosslinking agent is organic borate cross-linker；The stabilizer is silica solution or Aluminum sol；The dispersion Agent is polyacrylic acid.
Further, the oxidation in ceramic composites alumina particles, silica dioxide granule, granules of stannic oxide, three oxidations Molybdenum particle, silicon-carbide particle, hafnium nitride particle, zirconium silicate particles and silicone rubber particles mass ratio be (1 ~ 2): (3 ~ 5): (1 ~ 2): (1 ~ 2): (1 ~ 2): (1 ~ 2): (1 ~ 2): (3 ~ 5).
The present invention also provides the forming methods of above-mentioned Wear-resistant corrosion-resistant braiding ceramic composite, comprising the following steps:
Step 1): according to quality proportioning by alumina particle, silica dioxide granule, granules of stannic oxide, molybdenum trioxide particles, carbonization Silicon particle, hafnium nitride particle, zirconium silicate particles, silicone rubber particles and the mixing of binder flux, so that solid concentration in mixture For 40~50vol%；Then mixture is placed in ball mill and carries out ball-milling treatment, obtain ceramic slurry；
Step 2: carbon fiber, basalt fibre, quartz fibre, two or more in silicon carbide fibre is made to be respectively placed in pottery It is impregnated in porcelain slurry, obtains fiber initial material；
Step 3): each fiber initial material being woven, injects ceramic slurry into the gap between fiber during braiding, braiding End obtains fiber preform；
Step 4): fiber preform is placed in dry environment and excludes extra binder；
Fiber preform: being placed in hot environment be sintered again by step 5), obtains Wear-resistant corrosion-resistant braiding Ceramic Composite material Material.
Further, carrying out ultrasonic disperse when impregnating in the step 2 under vacuum conditions immerses slurry in fiber Portion.
Further, the structure of the fiber preform is three-dimensional orthogonal, two dimension half, three-dimensional four-way, three-dimensional five-way or needle Pierce one of structure.
The present invention also provides a kind of braiding ceramic, the Wear-resistant corrosion-resistant as described in any of the above-described technical solution is compiled Ceramic composite is knitted to be made.
Compared with prior art, the invention has the advantages that:
Braiding ceramic composite of the invention includes fiber preform skeleton and is coated on the fibre preforms by binder Ceramic composite on body skeleton, wherein fiber preform skeleton is by carbon fiber, basalt fibre, quartz fibre, silicon carbide Two or more in fiber is combined, and significantly enhances intensity, the heat-resisting quantity, corrosion resistant of braiding ceramic composite Corrosion and wearability；In addition, the ceramic composite bonded on fiber preform include alumina particle, silica dioxide granule, Granules of stannic oxide, molybdenum trioxide particles, silicon-carbide particle, hafnium nitride particle, zirconium silicate particles and silicone rubber particles, wherein dioxy Silicon carbide particle can further enhance the wear-resisting property of braiding ceramic composite, and it is multiple that granules of stannic oxide can enhance braiding ceramics The antistatic property of condensation material, silicone rubber particles can enhance the corrosion resistance of braiding ceramic composite, and improve braiding pottery The hardness of porcelain composite material keeps braiding ceramic composite easy to process.Therefore braiding ceramic composite of the invention has Excellent wear-resisting, corrosion resistance, and preparation forming process is relatively simple, short time limit, it can large-scale promotion and industrialization.
Specific embodiment
Combined with specific embodiments below to Wear-resistant corrosion-resistant braiding ceramic composite of the invention and forming method make into One step is described in detail.
Embodiment 1
A kind of forming method of Wear-resistant corrosion-resistant braiding ceramic composite, comprising the following steps:
Step 1): by 1 part of alumina particle, 5 parts of silica dioxide granules, 1 part of granules of stannic oxide, 2 parts of molybdenum trioxide particles, 1 part Silicon-carbide particle, 2 parts of hafnium nitride particles, 1 part of zirconium silicate particles, 5 parts of silicone rubber particles and 10 parts of organic borate cross-linker CY-2,5 Part silica solution and 2 parts of polyacrylic acid mixing, so that solid concentration is 40vol% in mixture；Then mixture is placed in ball milling Ball-milling treatment is carried out in machine, obtains ceramic slurry；
Step 2: make to be respectively placed in carbon fiber and basalt fibre in ceramic slurry under vacuum environment under the conditions of ultrasonic disperse It is impregnated, supersonic frequency 40Hz obtains fiber initial material；
Step 3): each fiber initial material is subjected to three-dimensional orthogonal braiding, injects ceramics during braiding into the gap between fiber Slurry, braiding terminate to obtain fiber preform；
Step 4): by fiber preform, dry 3h excludes extra binder at 150 DEG C；
Step 5): being sintered 2h at 900 DEG C for fiber preform again, obtains Wear-resistant corrosion-resistant braiding ceramic composite.
Embodiment 2
A kind of forming method of Wear-resistant corrosion-resistant braiding ceramic composite, comprising the following steps:
Step 1): by 2 parts of alumina particles, 3 parts of silica dioxide granules, 2 parts of granules of stannic oxide, 1 part of molybdenum trioxide particles, 2 parts Silicon-carbide particle, 1 part of hafnium nitride particle, 2 parts of zirconium silicate particles, 3 parts of silicone rubber particles and 20 parts of organic borate cross-linker CY-2,8 Part silica solution and 2 parts of polyacrylic acid mixing, so that solid concentration is 44vol% in mixture；Then mixture is placed in ball milling Ball-milling treatment is carried out in machine, obtains ceramic slurry；
Step 2: make to be respectively placed in carbon fiber and basalt fibre in ceramic slurry under vacuum environment under the conditions of ultrasonic disperse It is impregnated, supersonic frequency 40Hz obtains fiber initial material；
Step 3): each fiber initial material is subjected to three-dimensional orthogonal braiding, injects ceramics during braiding into the gap between fiber Slurry, braiding terminate to obtain fiber preform；
Step 4): by fiber preform, dry 3h excludes extra binder at 150 DEG C；
Step 5): being sintered 2.2h at 850 DEG C for fiber preform again, obtains Wear-resistant corrosion-resistant braiding ceramic composite.
Embodiment 3
A kind of forming method of Wear-resistant corrosion-resistant braiding ceramic composite, comprising the following steps:
Step 1): by 1.5 parts of alumina particles, 4 parts of silica dioxide granules, 1.8 parts of granules of stannic oxide, 1.5 parts of molybdenum trioxides Grain, 1.6 parts of silicon-carbide particles, 1.2 parts of hafnium nitride particles, 1.5 parts of zirconium silicate particles, 4 parts of silicone rubber particles and 16 parts of organic borons Crosslinking agent CY-2,10 parts of Aluminum sols and 3 parts of polyacrylic acid mixing, so that solid concentration is 50vol% in mixture；Then it will mix Conjunction object, which is placed in ball mill, carries out ball-milling treatment, obtains ceramic slurry；
Step 2: make to be respectively placed in carbon fiber and basalt fibre in ceramic slurry under vacuum environment under the conditions of ultrasonic disperse It is impregnated, supersonic frequency 40Hz obtains fiber initial material；
Step 3): each fiber initial material is subjected to three-dimensional orthogonal braiding, injects ceramics during braiding into the gap between fiber Slurry, braiding terminate to obtain fiber preform；
Step 4): by fiber preform, dry 3h excludes extra binder at 150 DEG C；
Step 5): being sintered 2.5h at 800 DEG C for fiber preform again, obtains Wear-resistant corrosion-resistant braiding ceramic composite.
As a comparison case with braiding ceramic composite in the prior art, to Wear-resistant corrosion-resistant prepared in the above embodiments Intensity, hardness, wear-resisting property and the corrosion-resistant test for weaving the braiding ceramic composite of ceramic composite and comparative example, are surveyed Test result is as shown in table 1 below.
The fracture toughness of braiding ceramic composite in the prior art is generally 14-16MPa.m1/2, tensile strength is general For 60-150MPa, abrasion loss is generally higher than 0.10cm3/ (Nm), 20 DEG C of Brinell hardness are greater than 65, and resistance to acid and alkali is general, such as right Shown in the test data of the braiding ceramic composite of ratio；And by above-mentioned test result it is found that preparation through the invention Method braiding ceramic composite obtained has superior wear-resisting relative to the common braiding ceramic composite of comparative example Property and corrosion resistance, and hardness is improved, and is more suitable for processing.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (9)

1. a kind of Wear-resistant corrosion-resistant weaves ceramic composite, which is characterized in that including fiber preform skeleton and pass through bonding The ceramic composite of agent cladding on it；The ceramic composite includes alumina particle, silica dioxide granule, tin oxide Particle, molybdenum trioxide particles, silicon-carbide particle, hafnium nitride particle, zirconium silicate particles and silicone rubber particles.
2. Wear-resistant corrosion-resistant according to claim 1 weaves ceramic composite, which is characterized in that the fiber preform Skeleton be carbon fiber, basalt fibre, quartz fibre, two or more in silicon carbide fibre it is compound.
3. Wear-resistant corrosion-resistant according to claim 1 weaves ceramic composite, which is characterized in that the group of the binder Dividing includes crosslinking agent, stabilizer and dispersing agent, and the mass ratio of crosslinking agent, stabilizer and dispersing agent is (5 ~ 10): (5 ~ 10): (1 ~ 2).
4. Wear-resistant corrosion-resistant according to claim 3 weaves ceramic composite, which is characterized in that the crosslinking agent is to have Machine borate crosslinker；The stabilizer is silica solution or Aluminum sol；The dispersing agent is polyacrylic acid.
5. Wear-resistant corrosion-resistant according to claim 1 weaves ceramic composite, which is characterized in that the Ceramic Composite material Alumina particle, silica dioxide granule, granules of stannic oxide, molybdenum trioxide particles, silicon-carbide particle, hafnium nitride particle, silicon in material The mass ratio of sour zirconium particle and silicone rubber particles is (1 ~ 2): (3 ~ 5): (1 ~ 2): (1 ~ 2): (1 ~ 2): (1 ~ 2): (1 ~ 2): (3 ~ 5).
6. a kind of forming method of the braiding ceramic composite of Wear-resistant corrosion-resistant described in claim 1 to 5, which is characterized in that The following steps are included:
Step 1): according to quality proportioning by alumina particle, silica dioxide granule, granules of stannic oxide, molybdenum trioxide particles, carbonization Silicon particle, hafnium nitride particle, zirconium silicate particles, silicone rubber particles and binder mixing, so that solid concentration is 40 in mixture ~50vol%；Then mixture is placed in ball mill and carries out ball-milling treatment, obtain ceramic slurry；
Step 2: fiber preform framework material being respectively placed in ceramic slurry and is impregnated, and obtains fiber initial material；
Step 3): each fiber initial material being woven, injects ceramic slurry into the gap between fiber during braiding, braiding End obtains fiber preform；
Step 4): fiber preform is placed in dry environment and excludes extra binder；
Fiber preform: being placed in hot environment be sintered again by step 5), obtains Wear-resistant corrosion-resistant braiding Ceramic Composite material Material.
7. the forming method of Wear-resistant corrosion-resistant braiding ceramic composite according to claim 6, which is characterized in that described Carrying out ultrasonic disperse when impregnating in step 2 under vacuum conditions makes slurry immerse fibrous inside.
8. the forming method of Wear-resistant corrosion-resistant braiding ceramic composite according to claim 6, which is characterized in that described The structure of fiber preform is three-dimensional orthogonal, two dimension half, three-dimensional four-way, three-dimensional one of five-way or needling structure.
9. a kind of braiding ceramic, which is characterized in that its Wear-resistant corrosion-resistant as described in claim 1 to 8 braiding ceramics are multiple Condensation material is made.
CN201811360471.8A 2018-11-15 2018-11-15 A kind of Wear-resistant corrosion-resistant braiding ceramic composite and forming method, braiding ceramic Pending CN109400195A (en)

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Application publication date: 20190301